// let a =1
// let b ={num:2}



let str = 'hello'
let num =123
let flag = false
let un = undefined
let nu = null

let obj = {}
let arr = []
let fn = function(){}
let date = new Date()

// console.log(typeof str);//string
// console.log(typeof (num));//num
// console.log(typeof flag);//boolean
// console.log(typeof un);//undefined


console.log(typeof(obj));//object
console.log(typeof(arr));//object 
console.log(typeof(fn));//function
console.log(typeof(date));//object